Facts and Figures Population* 308 335 Retail purchasing power* 5 680 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,60 % Labour - total* 130 710 person employed Labour by job specification Labour - expert* 14 % Labour - specialist* 13 % Labour - skilled worker* 55 % Labour - helper* 18 % Gross salary by job specification Gross salary - expert* 5 657 €/month Gross salary - specialist* 4 737 €/month Gross salary - skilled worker* 3 580 €/month Gross salary - helper* 2 773 €/month Area information Types of use District area* 1 246,80 km² Industrial and commercial area* 1279 ha Residential building area* 5363 ha Agricultural area* 35 ha Contact My|BusinessLocation Kundenservice Website